S
M
T
W
T
F
S
29
56°
37°
30
57°
32°
1
56°
27°
2
42°
23°
3
47°
33°
4
55°
36°
5
51°
34°
6
42°
30°
7
42°
24°
8
39°
22°
9
40°
25°
10
44°
29°
11
46°
27°
12
52°
28°
13
47°
29°
14
43°
25°
15
45°
26°
16
45°
27°
17
42°
23°
18
41°
20°
19
40°
19°
20
38°
17°
21
36°
22°
22
39°
25°
23
41°
22°
24
39°
19°
25
38°
18°
26
38°
23°
27
39°
20°
28
39°
18°
29
37°
23°
30
38°
20°
31
38°
17°
1
37°
12°
2
36°
17°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Brighton
Brighton's December 2026 forecast shows daily high temperatures ranging from 36° to 57°, with overnight lows between 12° and 37°. The average high for December is 43° with an average low of 24°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Brighton. See also: January | February | March.
